CN206692241U - A kind of cable crane tackling system of serial power and double lifting point - Google Patents

Abstract

The utility model provides a cable crane hoisting system with serial power and double suspension points, which includes two sets of sports cars arranged on the cable crane, tower top steering wheels arranged on the cable towers on both sides of the bank, and a hoist unit, a hoist unit Including at least No. 1 hoist, No. 2 hoist, No. 3 hoist, No. 4 hoist, No. 1 hoist and No. 2 hoist are located on one side of the cable crane, No. 3 hoist and No. The No. 4 hoist is arranged diagonally, the No. 2 hoist and the No. 3 hoist are arranged diagonally, and the No. 1 hoist, No. 4 hoist, No. 3 hoist, and No. 2 hoist are connected in series through the hoisting rope in turn. The cable hoisting system with series power and double lifting points provided by the utility model is characterized in that multiple hoists are connected in series, each hoist has the same force, the lifting speed is fast, the construction risk is reduced, and it can be converted into a parallel state , used to precisely adjust the attitude of the hoist in the air.

Description

A cable hoisting system with serial power and double hoisting points

technical field

The utility model belongs to the technical field of cable cranes for suspension bridges, and in particular relates to a cable crane hoisting system with serial power and double suspension points.

Background technique

The hoisting and lowering speed of the cable hoisting system of the suspension bridge is not only affected by the performance of the hoisting hoist, but also affected by the number of hoisting machines that can be connected in series. Due to the complexity of the structure of the previous suspension bridge cable crane lifting system, if multiple hoists are used in series, the speed of each hoist is not completely consistent, so it cannot be connected in series. As a result, the hoisting and lowering speed of the hoisting system is determined by the performance of a single winch, which often cannot meet the requirements of use.

When installing the beam section with the cable crane of the suspension bridge, it is necessary to adjust the attitude of the beam section in the air. In the case of one suspension point, it is impossible to accurately adjust the attitude of the beam section in the air, and the system of two suspension points is difficult to guarantee due to the complex series structure. .

Utility model content

The purpose of this utility model is to provide a suspension bridge cable hoisting system with two suspension points and more power systems. When there are two suspension points, a plurality of winch systems are connected in series, so that the lifting and lowering speed of the hoist is faster. Fast, and at the same time can adjust the aerial attitude of the lifting weight.

In order to achieve the above object, the technical scheme provided by the utility model is as follows:

A cable hoisting system with serial power and double lifting points, including two sets of sports cars on the cable cranes, steering wheels on the top of the towers on both banks, and a hoisting unit, the hoisting unit includes at least one No. 1 hoist, No. 2 hoist, No. 3 hoist, and No. 4 hoist, the No. 1 hoist and No. 2 hoist are located on one side of the cable crane, and the No. 3 hoist and No. 4 hoist are located on the other side of the cable hoist. The No. 1 hoist and the No. 4 hoist are arranged diagonally, the No. 2 hoist and the No. 3 hoist are arranged diagonally, and the No. 1 hoist, No. 4 hoist, No. 3 hoist, and No. 2 hoist are connected in series through hoisting ropes;

Said one group of sports car is connected with the hoisting rope between No. 1 hoist and No. 4 hoist, and the hoisting rope between this group of sports car and No. 1 hoist and No. 4 hoist is all connected tower top steering wheel, and another group of sports car is connected with The hoisting ropes between the No. 2 hoist and the No. 3 hoist are connected. The hoisting ropes between this group of sports cars and the No. 3 hoist and the No. 2 hoist are all connected to the steering wheel on the top of the tower. hanging point.

The No. 1 hoist and the No. 2 hoist are drum-type hoisting hoists, and the No. 3 hoist and No. 4 hoist are friction hoists.

The two groups of sports cars are connected by a sports car connecting rope.

The movable pulley at the lifting point is all provided with the two groups of sports cars below, and the movable pulley at the lifting point is wound on the hoisting rope, and the movable pulley at the lifting point includes a pulley, a counterweight and a lifting point.

The two groups of sports cars are all provided with steering wheels at the sports cars, and the steering wheels at the sports cars are parallel to the steering wheels at the top of the tower.

The beneficial effects of the utility model are:

The cable hoisting system with series power and double lifting points provided by the utility model is characterized in that multiple hoists are connected in series, each hoist has the same force, the lifting speed is fast, the construction risk is reduced, and it can be converted into a parallel state , used to precisely adjust the attitude of the hoist in the air.

Further details will be described below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure: 1. No. 1 hoist; 2. No. 2 hoist; 3. No. 3 hoist; 4. No. 4 hoist; 5. Steering wheel at the top of the tower; 6. Sports car; ; 9, moving pulley at the lifting point; 10, lifting point; 11, lifting weight; 12, lifting rope.

detailed description

Example 1:

The present embodiment provides a cable hoisting system with series power and double suspension points, including two groups of sports cars 6 arranged on the cable crane, tower top steering wheels 5 arranged on the cable towers on both banks, and a winch unit, The hoist unit includes at least No. 1 hoist 1, No. 2 hoist 2, No. 3 hoist 3, and No. 4 hoist 4. The No. 1 hoist 1 and No. 2 hoist 2 are located on one side of the cable crane, and the No. 3 hoist 3 4. The No. 4 hoist 4 is located on the other side of the cable crane, the No. 1 hoist 1 and the No. 4 hoist 4 are arranged diagonally, the No. 2 hoist 2 and the No. 3 hoist 3 are arranged diagonally, and the No. 1 hoist 1. No. 4 hoist 4, No. 3 hoist 3, and No. 2 hoist 2 are connected in series through hoisting rope 12 in turn;

The group of sports cars 6 is connected to the lifting rope 12 between the No. 1 hoist 1 and the No. 4 hoist 4, and the hoisting rope 12 between the group of sports cars 6 and the No. 1 hoist 1 and No. 4 hoist 4 is connected to the top of the tower. Steering wheel 5, another group of sports car 6 is connected with the hoisting rope 12 between the No. 2 hoist 2 and the No. Tower top steering wheel 5, two groups of sports car 6 belows are the lifting points 10 that are located on the hoisting rope 12.

When the hoisting system lifts or lowers the weight 11, start No. 1 hoist 1, No. 2 hoist 2, No. 3 hoist 3, and No. 4 hoist 4. The speed of lifting or lowering of the hoisting system is determined by the performance of the four hoists. The lifting and lowering speed is faster than that of a single winch, and the force of the series winches is consistent, which avoids the situation of excessive force on a single winch, and has high safety performance.

Example 2:

On the basis of Embodiment 1, this embodiment provides a cable hoisting system with series power and double lifting points, the No. 1 hoist 1 and No. 2 hoist 2 are drum-type hoisting hoists, and the three No. hoist 3 and No. 4 hoist 4 are friction type hoist.

When the hoisting system is lifted or lowered, see Embodiment 1 for the operation process.

When it is necessary to adjust the attitude in the air of the hoisting weight 11. When the No. 4 hoist 4 is in the brake state, start the No. 1 hoist 1 to precisely adjust the height of one end of the hoist 11; when the No. 3 hoist 3 is in the brake state, start the No. 2 hoist 2 to accurately adjust the other end of the hoist 11 the height of. In this way, the precise adjustment of the aerial attitude of the hoisting weight 11 is realized. The installation positions of the four hoists should have sufficient anchoring force.

In this embodiment, the two groups of sports cars 6 are connected by a sports car connecting rope 7 . The purpose is to fix the spacing of two groups of sports cars 6 so that the symmetry is located at both sides of the center of gravity of the hoisting weight 11 . As shown in Figure 1.

Described two groups of sports cars 6 belows are all provided with hanging point place moving pulley 9, and this hanging point place moving pulley 9 is wound on the lifting rope 12, and this hanging point place moving pulley 9 comprises pulley, counterweight and lifting point 10. The two pulleys are connected with the hoisting weight 11 through two lifting points 10, the pulleys are used to go around the hoisting rope 12, and the counterweights are used to maintain the tension of the hoisting rope 12 to avoid bending of the hoisting rope 12.

Said two groups of sports cars 6 are all provided with steering wheel 8 at the sports car place, and said steering wheel 8 at the sports car is parallel to the steering wheel 5 at the top of the tower. The steering wheel 5 on the top of the tower is respectively arranged on the cable towers on both banks, and its installation position should have sufficient anchoring force;

The cable-suspended lifting system of this serial power and double suspension points provided by the present embodiment adopts four winches, two of which are respectively set at the two ends of the hoisting rope 12 . It consists of two retractable drum winches and two friction winches. The four winches are connected in series during the lifting and lowering process, and the lifting speed is jointly determined by the speed of the four winches. When adjusting the attitude in the air of the hoisting weight 11, two friction winches do not work, and the two drum type hoists work separately, which can accurately adjust the attitude in the air of the hoisting weight 11.

Components and structures that are not described in detail in the above embodiments are well-known components and common structures or common means in this industry, and will not be described here one by one.

The above examples are only illustrations of the present utility model, and do not constitute a limitation to the protection scope of the present utility model. All designs identical or similar to the present utility model belong to the protection scope of the present invention.

Claims (5)

1. the cable crane tackling system of a kind of serial power and double lifting point, including two groups of sport cars on cable crane（6）, it is located at Tower top deflecting roller on the Sarasota of two sides（5）, it is characterised in that：Also include elevator unit, the elevator unit comprises at least No.1 Hoist engine（1）, No. two hoist engines（2）, No. three hoist engines（3）, No. four hoist engines（4）, the No.1 hoist engine（1）With No. two volumes Raise machine（2）Located at cable crane side, No. three hoist engines（3）, No. four hoist engines（4）Located at cable crane opposite side, described one Number hoist engine（1）With No. four hoist engines（4）Diagonally set, No. two hoist engines（2）With No. three hoist engines（3）Diagonally set Put, the No.1 hoist engine（1）, No. four hoist engines（4）, No. three hoist engines（3）, No. two hoist engines（2）Pass sequentially through hoisting line （12）Series connection；

Sport car described in one group（6）With No.1 hoist engine（1）With No. four hoist engines（4）Between hoisting line（12）Connection, the group are run Car（6）With No.1 hoist engine（1）, No. four hoist engines（4）Between hoisting line（12）It is all connected with tower top deflecting roller（5）, another group Sport car（6）With No. two hoist engines（2）Hoisting line between No. three hoist engines（12）Connection, this group of sport car（6）With No. three elevators Machine（3）, No. two hoist engines（2）Between hoisting line（12）It is all connected with tower top deflecting roller（5）, two groups of sport cars（6）Lower section is to set In hoisting line（12）On suspension centre（10）.

2. the cable crane tackling system of a kind of serial power according to claim 1 and double lifting point, it is characterised in that：It is described No.1 hoist engine（1）With No. two hoist engines（2）It is roll type hoisting winding, No. three hoist engines（3）With No. four elevators Machine（4）It is friction type winch.

3. the cable crane tackling system of a kind of serial power according to claim 1 and double lifting point, it is characterised in that：It is described Two groups of sport cars（6）Pass through sport car connecting rope（7）Connection.

4. the cable crane tackling system of a kind of serial power according to claim 1 and double lifting point, it is characterised in that：It is described Two groups of sport cars（6）Lower section is equipped with movable pulley at suspension centre（9）, movable pulley at the suspension centre（9）It is set around hoisting line（12）On, this hangs Movable pulley at point（9）Including pulley, counterweight and suspension centre（10）.

5. the cable crane tackling system of a kind of serial power according to claim 1 and double lifting point, it is characterised in that：It is described Two groups of sport cars（6）On be equipped with deflecting roller at sport car（8）, deflecting roller at the sport car（8）With tower top deflecting roller（5）It is parallel.